Swiss officials believe that the fatal fire was started by sparklers

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Investigators have questioned two French managers from the bar and are looking into the insulation foam used on the ceiling. Iran has warned President Trump against interference, after he said the US would come to the rescue if protesters were killed. We hear from a protester. And President Zelensky of Ukraine has appointed the country's military intelligence chief as the new head of his presidential office. But what do we know about Kyrylo Budanov? (Picture: Tributes left in the town of Crans Montana in Switzerland. Credit: Bott / EPA)